Ranunculus orthorhynchus var. bloomeri

(S. Watson) L. D. Benson

Amer. Midl. Naturalist 40: 101. 1948.

Endemic
Basionym: Ranunculus bloomeri S. Watson Bot. California 2: 426. 1880
Treatment appears in FNA Volume 3.
Revision as of 07:41, 30 July 2020 by imported>Volume Importer
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Basal leaf-blades cordate to oblong or circular in outline, simple and undivided or 3-foliolate, if compound the leaflets undivided, margins crenate, apices rounded to obtuse or occasionally acute. Flowers: petals abaxially yellow, 6-9 mm broad, retuse. Heads of achenes hemispheric to ovoid, 7-9 mm; beak 1.8-2.2 mm. 2n = 32.


Phenology: Flowering late winter–spring (Mar–May).
Habitat: Meadows and marshy areas
Elevation: 0-1500 m

Discussion

Ranunculus orthorhynchus var. bloomeri is disjunct between the Coast Ranges of west-central California and south-central Oregon.

Selected References

None.

Lower Taxa

None.

"high" is not a number.

not prolonged +
3-15 times as wide as thick +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
1.8mm;3.2mm +
rounded +  and obtuse or occasionally acute +
Alan T. Whittemore +
(S. Watson) L. D. Benson +
foliolate +  and simple +
2.8 cm28 mm <br />0.028 m <br /> (12.5 cm125 mm <br />0.125 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (14 cm140 mm <br />0.14 m <br />) +
not bulbous +
cuneate +, truncate +  and cordate +
Ranunculus bloomeri +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
straight +
persistent +
narrowly lanceolate +  and subulate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
large +  and small +
globose;cylindric +
1-50-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Calif. +  and Oreg. +
0-1500 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Meadows and marshy areas +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
hemispheric;ovoid +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
axillary +  and terminal +
reniform +  and linear +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
compound +, 3-foliolate +, undivided +  and simple +
compound +, 3-foliolate +, undivided +  and simple +
0.1mm;0.2mm +
distinct +
8mm;18mm +
conspicuous +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Flowering late winter–spring (Mar–May). +
4 +  and 250 +
Amer. Midl. Naturalist +
nodal +  and basal +
not arillate +  and stalked +
parted +, 1-2×-lobed +  and undivided +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
glabrous +, hirsute +  and hispid +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
(5-)10-many +
decumbent +  and erect +
glabrous +, strigose +  and hispid +
persistent +
Ranunculus sect. Chrysanthe +
Ranunculus orthorhynchus var. bloomeri +
Ranunculus orthorhynchus +
variety +
perennial +  and annual +
glabrous +  and hispid +
herbaceous +  and woody +